<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
</head>
<body>
<!-- 导航栏 -->
<div class="nav">
    网页聊天
</div>
<!-- 主窗口区 -->
<div class="login-container">
    <div class="login-dialog">
        <h3>登录</h3>
        <div class="row">
            <span>用户名</span>
            <input type="text" id="username">
        </div>
        <div class="row">
            <span>密码</span>
            <input type="password" id="password">
        </div>
        <div class="row">
            <button id="submit">登录</button>
        </div>
    </div>
</div>

<!-- 引入jquery -->
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"> </script>
<script>
    let submitButton=document.querySelector('#submit');
    submitButton.onclick = function(){
        let username=document.querySelector('#username').value;
        let password=document.querySelector('#password').value;

        if(username== ''|| password== ''){
            alert("当前输入的用户名或密码为空！登录失败！");
            return;
        }
        $.ajax({
            url:'/UserApi/login',
            type:'post',
            data:{
                username: username,
                password: password
            },
            success: function(body){
                console.log('Response:', body);
                if(body && body.userId > 0){
                    alert("登录成功！");
                    location.assign('/client.html');
                }else{
                    alert("登录失败！");
                }
            }
        });
    }
</script>
</body>
</html>